body{background:url(bg.jpg);background-size:cover;}
.logo{text-align:center;}
.logo img{width:70%;margin-top:2.5rem;display:inline !important;}
.login_form{border:0;cellpadding:0;cellspacing:0;width:90%;margin-top:2.5rem;border-collapse:collapse;}
.login_form img{height:20px;}
.login_form input{background:none;height:2.5rem;line-height:2.5rem;border:0;width:100%;color:white;font-size:0.8rem;}
.login_form td{height:3rem;border-bottom:1px solid white;}
.opt_btn{text-align:center;}
.opt_btn a{display:inline-block;text-decoration:none;background:rgba(255,255,255,0.2);height:2.5rem;line-height:2.5rem;color:white;width:90%;border:0;margin-top:1rem;font-size:1rem;}
.forget_pwd{text-align:right;margin-top:0.8rem;}
.forget_pwd a{color:white;margin-right:5%;}
::-webkit-input-placeholder{color:#dddddd;}
.book{text-align:center;color:white;margin-top:10px;font-size:0.8rem}
.code_btn{background:rgba(255,255,255,0.2);border:0;height:2.5rem;line-height:2.5rem;color:white;float:right;text-decoration:none;padding:0 5px;}
#verify_code{width:50%;}